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PcForwardContentToInterface function (portcls.h)

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The PcForwardContentToInterface function accepts a pointer to the COM interface of an object to which the caller intends to forward protected content. Note that this function call is identical in operation to the DrmForwardContentToInterface function, and its parameter definitions and return value are also identical.

Syntax

PORTCLASSAPI NTSTATUS PcForwardContentToInterface(
  [in] ULONG    ContentId,
  [in] PUNKNOWN pUnknown,
  [in] ULONG    NumMethods
);

Parameters

[in] ContentId

Specifies the DRM content ID. This parameter identifies a protected KS audio stream.

[in] pUnknown

Pointer to a COM interface that directly receives KS audio stream data for a KS audio filter.

[in] NumMethods

Specifies the total number of methods in the COM interface that pUnknown points to, including all the methods in its base interfaces.

Return value

See return value definition in DrmForwardContentToInterface.

Remarks

For more information, see the comments in DrmForwardContentToInterface.

Requirements

Requirement Value
Minimum supported client The PortCls system driver implements the PcForwardContentToInterface function in Microsoft Windows XP and later operating systems.
Target Platform Universal
Header portcls.h (include Portcls.h)
Library Portcls.lib

See also

DrmForwardContentToInterface